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Stress-enhanced lithiation in MAX compounds for battery applications AITranslate

Jiajie Zhu; Alexander Chroneos; Lei Wang; Feng Rao; Udo Schwingenschlögl;
King Abdullah University of Science and Technology (KAUST); Coventry University; Shenzhen University; Shenzhen University; King Abdullah University of Science and Technology (KAUST)
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Publisher: Elsevier
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Abstract AITranslate

Li-ion batteries are well-established energy storage systems. Upon lithiation conventional group IVA compound anodes undergo large volume expansion and thus suffer from stress-induced performance degradation. Instead of the emerging MXene anodes fabricated by an expensive and difficult-to-control etching technique, we study the feasibility of utilizing the parent MAX compounds. We reveal that M2AC (M = Ti, V and A = Si, S) compounds repel lithiation at ambient conditions, while structural stress turns out to support lithiation, in contrast to group IVA compounds. For V2SC the Li diffusion barrier is found to be lower than reported for group IVA compound anodes, reflecting potential to achieve fast charge/discharge. Graphical abstract Download : Download high-res image (81KB) Download : Download full-size image

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DOI：https://doi.org/10.1016/j.apmt.2017.07.002

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Citation Information:

Li-ion batteries are well-established energy storage systems. Upon lithiation conventional group IVA compound anodes undergo large volume expansion and thus suffer from stress-induced performance degradation. Instead of the emerging MXene anodes fabricated by an expensive and difficult-to-control etching technique, we study the feasibility of utilizing the parent MAX compounds. We reveal that M2AC (M = Ti, V and A = Si, S) compounds repel lithiation at ambient conditions, while structural stress turns out to support lithiation, in contrast to group IVA compounds. For V2SC the Li diffusion barrier is found to be lower than reported for group IVA compound anodes, reflecting potential to achieve fast charge/discharge. Graphical abstract Download : Download high-res image (81KB) Download : Download full-size image

quote

GB/T 7714-2015 [1] Jiajie Zhu, Alexander Chroneos, Lei Wang, et al. Applied Materials Today, 2017(9). DOI:10.1016/j.apmt.2017.07.002.
MLA [1] Jiajie Zhu, et al., Applied Materials Today, no. 9, 2017, https://doi.org/10.1016/j.apmt.2017.07.002.
APA [1] Jiajie Zhu, Alexander Chroneos, Lei Wang, Feng Rao, & Udo Schwingenschlögl. (2017). Applied Materials Today(9). https://doi.org/10.1016/j.apmt.2017.07.002
IEEE [1] Jiajie Zhu, Alexander Chroneos, Lei Wang, Feng Rao, and Udo Schwingenschlögl, Applied Materials Today, no. 9, 2017, doi: 10.1016/j.apmt.2017.07.002.